Physics 0625 · IGCSE · Light

Light — practice question

Fig. 6.1 shows a beam of light incident on a plane mirror.
(a(i))[1]

State the name given to the dashed line OB in Fig. 6.1.

(a(ii))[1]

On Fig. 6.1, mark the angle of reflection with an X.

(a(iii))[1]

State the law governing reflection.

(b)[2]

Circle the terms from the list that describe the candle’s image. enlarged, diminished, same size, upside-down, upright

(c(i))[2]

On Fig. 6.2, draw the route taken by the red light as it passes through the glass prism and emerges into the air.

(c(ii))[1]

Explain why the red light takes the route you have drawn in (c)(i).

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